Keystones — Bedrock
Five GCSE retrieval questions · 3 June 2022 · mathsvault.uk/keystones
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1. Number
Calculate: -4 + 8
Answer: 4 -
2. Algebra
Find the next term: 30, 32, 34, 36, ...
Answer: 38 -
3. Geometry
Opposite = 10cm, hypotenuse = 20cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 12:21
Answer: 4:7 -
5. Statistics
Find the mean of: 12, 19, 15
Answer: 15.333333333333